package com.atguigu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {
    Set<Integer> set  = new HashSet<>();
    @Override
    public void initialize(ListValue constraintAnnotation) {
        if(constraintAnnotation.value()!=null){
            int[] value = constraintAnnotation.value();
            for (int i : value) {
                set.add(i);
            }
        }

    }

    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        if(set.contains(value)){
            return true;
        }else {
            return false;
        }

    }
}
